39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
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From 184b2f4dd43dfbec64654ba9dce6aa6645717ca1 Mon Sep 17 00:00:00 2001
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From: Renat Sabitov <r.sabitov@gmail.com>
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Date: Thu, 2 Nov 2023 22:03:05 +1000
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Subject: [PATCH] Fixed RISCV T-Head 1520 CPU identification
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---
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src/cpu/cpu.cpp | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/src/cpu/cpu.cpp b/src/cpu/cpu.cpp
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index eb1578d9..ca1e3a74 100644
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--- a/src/cpu/cpu.cpp
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+++ b/src/cpu/cpu.cpp
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@@ -174,6 +174,8 @@ static void handle_one_cpu(unsigned int number, char *vendor, int family, int mo
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file.open(filename, ios::in);
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if (file) {
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file >> core_number;
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+ if (core_number == (unsigned int) -1)
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+ core_number = number;
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file.close();
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}
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@@ -300,11 +302,13 @@ void enumerate_cpus(void)
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}
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/* on x86 and others 'bogomips' is last
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* on ARM it *can* be bogomips, or 'CPU revision'
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- * on POWER, it's revision
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+ * on POWER, it's 'revision'
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+ * on RISCV64 it's 'isa'
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*/
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if (strncasecmp(line, "bogomips\t", 9) == 0
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|| strncasecmp(line, "CPU revision\t", 13) == 0
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- || strncmp(line, "revision", 8) == 0) {
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+ || strncmp(line, "revision", 8) == 0
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+ || strncmp(line, "isa\t", 4) == 0) {
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if (number == -1) {
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/* Not all /proc/cpuinfo include "processor\t". */
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number = 0;
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